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	<title>API: widget-base-ie   WidgetHTMLParser.js  (YUI Library)</title>

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        <h3>widget-base-ie&nbsp; <span class="subtitle">3.3.0</span></h3>
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                 &gt; WidgetHTMLParser.js (source view) 
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                        <div class="highlight"><pre><span class="cm">/**</span>
<span class="cm"> * Adds HTML Parser support to the base Widget class</span>
<span class="cm"> *</span>
<span class="cm"> * @module widget</span>
<span class="cm"> * @submodule widget-htmlparser</span>
<span class="cm"> * @for Widget</span>
<span class="cm"> */</span>


<span class="kd">var</span> <span class="nx">Widget</span> <span class="o">=</span> <span class="nx">Y</span><span class="p">.</span><span class="nx">Widget</span><span class="p">,</span>
    <span class="nx">Node</span> <span class="o">=</span> <span class="nx">Y</span><span class="p">.</span><span class="nx">Node</span><span class="p">,</span>
    <span class="nx">Lang</span> <span class="o">=</span> <span class="nx">Y</span><span class="p">.</span><span class="nx">Lang</span><span class="p">,</span>

    <span class="nx">SRC_NODE</span> <span class="o">=</span> <span class="s2">&quot;srcNode&quot;</span><span class="p">,</span>
    <span class="nx">CONTENT_BOX</span> <span class="o">=</span> <span class="s2">&quot;contentBox&quot;</span><span class="p">;</span>

<span class="cm">/**</span>
<span class="cm"> * Object hash, defining how attribute values are to be parsed from</span>
<span class="cm"> * markup contained in the widget&#39;s content box. e.g.:</span>
<span class="cm"> * &lt;pre&gt;</span>
<span class="cm"> *   {</span>
<span class="cm"> *       // Set single Node references using selector syntax </span>
<span class="cm"> *       // (selector is run through node.one)</span>
<span class="cm"> *       titleNode: &quot;span.yui-title&quot;,</span>
<span class="cm"> *       // Set NodeList references using selector syntax </span>
<span class="cm"> *       // (array indicates selector is to be run through node.all)</span>
<span class="cm"> *       listNodes: [&quot;li.yui-item&quot;],</span>
<span class="cm"> *       // Set other attribute types, using a parse function. </span>
<span class="cm"> *       // Context is set to the widget instance.</span>
<span class="cm"> *       label: function(contentBox) {</span>
<span class="cm"> *           return contentBox.one(&quot;span.title&quot;).get(&quot;innerHTML&quot;);</span>
<span class="cm"> *       }</span>
<span class="cm"> *   }</span>
<span class="cm"> * &lt;/pre&gt;</span>
<span class="cm"> * </span>
<span class="cm"> * @property Widget.HTML_PARSER</span>
<span class="cm"> * @type Object</span>
<span class="cm"> * @static</span>
<span class="cm"> */</span>
<span class="nx">Widget</span><span class="p">.</span><span class="nx">HTML_PARSER</span> <span class="o">=</span> <span class="p">{};</span>

<span class="cm">/**</span>
<span class="cm"> * The build configuration for the Widget class.</span>
<span class="cm"> * &lt;p&gt;</span>
<span class="cm"> * Defines the static fields which need to be aggregated,</span>
<span class="cm"> * when this class is used as the main class passed to </span>
<span class="cm"> * the &lt;a href=&quot;Base.html#method_build&quot;&gt;Base.build&lt;/a&gt; method.</span>
<span class="cm"> * &lt;/p&gt;</span>
<span class="cm"> * @property _buildCfg</span>
<span class="cm"> * @type Object</span>
<span class="cm"> * @static</span>
<span class="cm"> * @final</span>
<span class="cm"> * @private</span>
<span class="cm"> */</span>
<span class="nx">Widget</span><span class="p">.</span><span class="nx">_buildCfg</span> <span class="o">=</span> <span class="p">{</span>
    <span class="nx">aggregates</span> <span class="o">:</span> <span class="p">[</span><span class="s2">&quot;HTML_PARSER&quot;</span><span class="p">]</span>
<span class="p">};</span>

<span class="cm">/**</span>
<span class="cm"> * The DOM node to parse for configuration values, passed to the Widget&#39;s HTML_PARSER definition</span>
<span class="cm"> *</span>
<span class="cm"> * @attribute srcNode</span>
<span class="cm"> * @type String | Node</span>
<span class="cm"> * @writeOnce</span>
<span class="cm"> */</span>
<span class="nx">Widget</span><span class="p">.</span><span class="nx">ATTRS</span><span class="p">[</span><span class="nx">SRC_NODE</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span>
    <span class="nx">value</span><span class="o">:</span> <span class="kc">null</span><span class="p">,</span>
    <span class="nx">setter</span><span class="o">:</span> <span class="nx">Node</span><span class="p">.</span><span class="nx">one</span><span class="p">,</span>
    <span class="nx">getter</span><span class="o">:</span> <span class="s2">&quot;_getSrcNode&quot;</span><span class="p">,</span>
    <span class="nx">writeOnce</span><span class="o">:</span> <span class="kc">true</span>
<span class="p">};</span>

<span class="nx">Y</span><span class="p">.</span><span class="nx">mix</span><span class="p">(</span><span class="nx">Widget</span><span class="p">.</span><span class="nx">prototype</span><span class="p">,</span> <span class="p">{</span>

    <span class="cm">/**</span>
<span class="cm">     * @method _getSrcNode</span>
<span class="cm">     * @protected</span>
<span class="cm">     * @return {Node} The Node to apply HTML_PARSER to</span>
<span class="cm">     */</span>
    <span class="nx">_getSrcNode</span> <span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">val</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">return</span> <span class="nx">val</span> <span class="o">||</span> <span class="k">this</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="nx">CONTENT_BOX</span><span class="p">);</span>
    <span class="p">},</span>

    <span class="cm">/**</span>
<span class="cm">     * @method _applyParsedConfig</span>
<span class="cm">     * @protected</span>
<span class="cm">     * @return {Object} The merged configuration literal</span>
<span class="cm">     */</span>
    <span class="nx">_applyParsedConfig</span> <span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">node</span><span class="p">,</span> <span class="nx">cfg</span><span class="p">,</span> <span class="nx">parsedCfg</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">return</span> <span class="p">(</span><span class="nx">parsedCfg</span><span class="p">)</span> <span class="o">?</span> <span class="nx">Y</span><span class="p">.</span><span class="nx">mix</span><span class="p">(</span><span class="nx">cfg</span><span class="p">,</span> <span class="nx">parsedCfg</span><span class="p">,</span> <span class="kc">false</span><span class="p">)</span> <span class="o">:</span> <span class="nx">cfg</span><span class="p">;</span>
    <span class="p">},</span>

    <span class="cm">/**</span>
<span class="cm">     * Utilitity method used to apply the &lt;code&gt;HTML_PARSER&lt;/code&gt; configuration for the </span>
<span class="cm">     * instance, to retrieve config data values.</span>
<span class="cm">     *</span>
<span class="cm">     * @method _applyParser</span>
<span class="cm">     * @protected</span>
<span class="cm">     * @param config {Object} User configuration object (will be populated with values from Node) </span>
<span class="cm">     */</span>
    <span class="nx">_applyParser</span> <span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">config</span><span class="p">)</span> <span class="p">{</span>

        <span class="kd">var</span> <span class="nx">widget</span> <span class="o">=</span> <span class="k">this</span><span class="p">,</span>
            <span class="nx">srcNode</span> <span class="o">=</span> <span class="nx">widget</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="nx">SRC_NODE</span><span class="p">),</span>
            <span class="nx">schema</span> <span class="o">=</span> <span class="nx">widget</span><span class="p">.</span><span class="nx">_getHtmlParser</span><span class="p">(),</span>
            <span class="nx">parsedConfig</span><span class="p">,</span>
            <span class="nx">val</span><span class="p">;</span>

        <span class="k">if</span> <span class="p">(</span><span class="nx">schema</span> <span class="o">&amp;&amp;</span> <span class="nx">srcNode</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">Y</span><span class="p">.</span><span class="nb">Object</span><span class="p">.</span><span class="nx">each</span><span class="p">(</span><span class="nx">schema</span><span class="p">,</span> <span class="kd">function</span><span class="p">(</span><span class="nx">v</span><span class="p">,</span> <span class="nx">k</span><span class="p">,</span> <span class="nx">o</span><span class="p">)</span> <span class="p">{</span>
                <span class="nx">val</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>

                <span class="k">if</span> <span class="p">(</span><span class="nx">Lang</span><span class="p">.</span><span class="nx">isFunction</span><span class="p">(</span><span class="nx">v</span><span class="p">))</span> <span class="p">{</span>
                    <span class="nx">val</span> <span class="o">=</span> <span class="nx">v</span><span class="p">.</span><span class="nx">call</span><span class="p">(</span><span class="nx">widget</span><span class="p">,</span> <span class="nx">srcNode</span><span class="p">);</span>
                <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                    <span class="k">if</span> <span class="p">(</span><span class="nx">Lang</span><span class="p">.</span><span class="nx">isArray</span><span class="p">(</span><span class="nx">v</span><span class="p">))</span> <span class="p">{</span>
                        <span class="nx">val</span> <span class="o">=</span> <span class="nx">srcNode</span><span class="p">.</span><span class="nx">all</span><span class="p">(</span><span class="nx">v</span><span class="p">[</span><span class="mi">0</span><span class="p">]);</span>
                        <span class="k">if</span> <span class="p">(</span><span class="nx">val</span><span class="p">.</span><span class="nx">isEmpty</span><span class="p">())</span> <span class="p">{</span>
                            <span class="nx">val</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
                        <span class="p">}</span>
                    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                        <span class="nx">val</span> <span class="o">=</span> <span class="nx">srcNode</span><span class="p">.</span><span class="nx">one</span><span class="p">(</span><span class="nx">v</span><span class="p">);</span>
                    <span class="p">}</span>
                <span class="p">}</span>

                <span class="k">if</span> <span class="p">(</span><span class="nx">val</span> <span class="o">!==</span> <span class="kc">null</span> <span class="o">&amp;&amp;</span> <span class="nx">val</span> <span class="o">!==</span> <span class="kc">undefined</span><span class="p">)</span> <span class="p">{</span>
                    <span class="nx">parsedConfig</span> <span class="o">=</span> <span class="nx">parsedConfig</span> <span class="o">||</span> <span class="p">{};</span>
                    <span class="nx">parsedConfig</span><span class="p">[</span><span class="nx">k</span><span class="p">]</span> <span class="o">=</span> <span class="nx">val</span><span class="p">;</span>
                <span class="p">}</span>
            <span class="p">});</span>
        <span class="p">}</span>
        <span class="nx">config</span> <span class="o">=</span> <span class="nx">widget</span><span class="p">.</span><span class="nx">_applyParsedConfig</span><span class="p">(</span><span class="nx">srcNode</span><span class="p">,</span> <span class="nx">config</span><span class="p">,</span> <span class="nx">parsedConfig</span><span class="p">);</span>
    <span class="p">},</span>

    <span class="cm">/**</span>
<span class="cm">     * Gets the HTML_PARSER definition for this instance, by merging HTML_PARSER</span>
<span class="cm">     * definitions across the class hierarchy.</span>
<span class="cm">     *</span>
<span class="cm">     * @private</span>
<span class="cm">     * @method _getHtmlParser</span>
<span class="cm">     * @return {Object} HTML_PARSER definition for this instance</span>
<span class="cm">     */</span>
    <span class="nx">_getHtmlParser</span> <span class="o">:</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
        <span class="c1">// Removed caching for kweight. This is a private method</span>
        <span class="c1">// and only called once so don&#39;t need to cache HTML_PARSER</span>
        <span class="kd">var</span> <span class="nx">classes</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">_getClasses</span><span class="p">(),</span>
            <span class="nx">parser</span> <span class="o">=</span> <span class="p">{},</span>
            <span class="nx">i</span><span class="p">,</span> <span class="nx">p</span><span class="p">;</span>

        <span class="k">for</span> <span class="p">(</span><span class="nx">i</span> <span class="o">=</span> <span class="nx">classes</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">;</span> <span class="nx">i</span> <span class="o">&gt;=</span> <span class="mi">0</span><span class="p">;</span> <span class="nx">i</span><span class="o">--</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">p</span> <span class="o">=</span> <span class="nx">classes</span><span class="p">[</span><span class="nx">i</span><span class="p">].</span><span class="nx">HTML_PARSER</span><span class="p">;</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span>
                <span class="nx">Y</span><span class="p">.</span><span class="nx">mix</span><span class="p">(</span><span class="nx">parser</span><span class="p">,</span> <span class="nx">p</span><span class="p">,</span> <span class="kc">true</span><span class="p">);</span>
            <span class="p">}</span>
        <span class="p">}</span>
        <span class="k">return</span> <span class="nx">parser</span><span class="p">;</span>
    <span class="p">}</span>
<span class="p">});</span>
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                                <li class=""><a href="module_widget.html" title="widget">widget</a></li>
                                <li class=""><a href="module_widget-anim.html" title="widget-anim">widget-anim</a></li>
                                <li class="selected"><a href="module_widget-base-ie.html" title="widget-base-ie">widget-base-ie</a></li>
                                <li class=""><a href="module_widget-child.html" title="widget-child">widget-child</a></li>
                                <li class=""><a href="module_widget-locale.html" title="widget-locale">widget-locale</a></li>
                                <li class=""><a href="module_widget-parent.html" title="widget-parent">widget-parent</a></li>
                                <li class=""><a href="module_widget-position.html" title="widget-position">widget-position</a></li>
                                <li class=""><a href="module_widget-position-align.html" title="widget-position-align">widget-position-align</a></li>
                                <li class=""><a href="module_widget-position-constrain.html" title="widget-position-constrain">widget-position-constrain</a></li>
                                <li class=""><a href="module_widget-stack.html" title="widget-stack">widget-stack</a></li>
                                <li class=""><a href="module_widget-stdmod.html" title="widget-stdmod">widget-stdmod</a></li>
                                <li class=""><a href="module_yql.html" title="yql">yql</a></li>
                                <li class=""><a href="module_yui.html" title="yui">yui</a></li>
                        </ul>
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                        <h4>Files</h4>
                        <ul class="content">        
                                <li class="selected"><a href="WidgetHTMLParser.js.html" title="WidgetHTMLParser.js">WidgetHTMLParser.js</a></li>
                        </ul>
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